#include "apue.h"
#include <pthread.h>

pthread_t ntid;

void printids(const char *s) {
	pid_t pid;
	pthread_t tid;

	pid = getpid();
	tid = pthread_self();
	printf("%s pid %lu tid %lu (0x%lx)\n", s, (unsigned long)pid,
			(unsigned long)tid, (unsigned long)tid);
}

void* thr_fn(void *arg) {
	printids("new thread: ");
	return ((void *)0);
}

int main(void) {
	int err;
	err = pthread_create(&ntid, NULL, thr_fn, NULL);
	if (err != 0) 
		err_exit(err, "can not create thread");
	printids("main thread: ");
	sleep(1);
	exit(0);
}
